PHOTOS: Inside the Green Berets

An incredible look at America's so-called forgotten war.

"Inside the Green Berets" is an unprecedented look at the functionings of one the U.S. Army's elite Special Forces Unit. The documentary is an up-close look into the work American soldiers are doing in Afghanistan, and the incredible dangers they face. The filmmakers, too, become a part of the story as they experienced the pervasive violence in Afghanistan, a country that is facing a resurgence of the Taliban.

The documentary will air on National Geographic Channel on Sunday, June 3, at 9 p.m. EDT/PDT. (Phillip Chester?? National Geographic Television & Film )